s4umbbiteffenguye
s4umbbiteffenguye
02-09-2016
Mathematics
contestada
Is sinx cosx ever equal to 1?
Respuesta :
SyntaxError
SyntaxError
02-09-2016
From Pythagorean Identities
sin^2
x
+
cos^2
x
=1
and from that identities we can have
sinx
+
cosx
=1
, taking
sinx
=1−
cosx
and substitute in the equation
sinx
+
cosx
=1
(1−
cosx
)
+
cosx
=1
Remove the parenthesis
1−
cosx
+
cosx
=1
cancel
cosx
1=1
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
A test that measures factors such as dependability, carefulness, responsibility, and honesty is referred to as a task variability test. true false
Which of the following scenarios is an example of a traditional market? Question 2 options: Alice makes smart phones in a factory and receives a salary for t
Quotes from mr hyde and dr jekyll "he is not easy to describe. there is something wrong with his appearance; something displeasing, something downright detesta
Help me to answer this question please
in what ways would an environment where everyone was similar make critical thinking difficult?
A decrease in the budget deficit will have a. more negative effect on income when crowding out is strong. more positive effect on income when crowding out
The health belief model of __________ was developed to understand why so few people participated in health screening programs such as mammograms for breast canc
Two friends share 7 cookies equally.how many cookies does each friend get.
Farmer Bill sold potatoes at the farm market. He sold a quarter to the first person, 4/9 of what was left to the second person, and the third buyer bought 4/5 o
What are three steps that governments and private interests could take to protect the world's remaining coral reefs (core case study)?
